.black-board{
  width: 220px;
  background-color: #f9f9f9;
}
.book-con{
  padding: 10px;
  border:1px solid #eaeaea
}
.black-board h2{
  font-size: 16px;
}

.black-board ul{
  padding-top: 14px;
  padding-left: 20px;
}

.black-board li{
  line-height: 22px;
  background: url('img/point.gif') no-repeat left center;
  padding-left: 6px;
}


